P89CV51RC2FBC,557 NXP Semiconductors, P89CV51RC2FBC,557 Datasheet - Page 54

• Manufacturer Part Number: P89CV51RC2FBC,557
• Description: IC 80C51 MCU FLASH 64K 44-TQFP
• Manufacturer: NXP Semiconductors
• Series: 89Cr

Specifications of P89CV51RC2FBC,557

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: P89CV5x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI/UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4255; 935284104557; P89CV51RC2FBC

NXP Semiconductors
P89CV51RB2_RC2_RD2_3
Product data sheet
Fig 25. Interrupt structure
CCFn
SPIF
CF
ECCFn
SPIE
INT0#
INT1#
ECF
TF1
TF0
EXF2
TF2
RI
TI
0
1
0
1
Table 42.
Bit addressable; reset value: 00H.
Table 43.
Bit
Symbol
Bit
7
6
5
IT0
IT1
individual
enables
IE - Interrupt enable register 0 (address A8H) bit allocation
IE - Interrupt enable register 0 (address A8H) bit description
IE0
IE1
Symbol
EA
EC
ET2
EA
7
IE and IEA
registers
Rev. 03 — 25 August 2009
EC
6
Description
Interrupt Enable. EA = 1: interrupt(s) can be serviced;
EA = 0: interrupt servicing disabled.
PCA interrupt Enable.
Timer 2 interrupt Enable.
global
disable
ET2
5
IP/IPH/IPA/IPAH
registers
P89CV51RB2/RC2/RD2
ES
4
ET1
3
80C51 with 1 kB RAM, SPI
EX1
2
© NXP B.V. 2009. All rights reserved.
ET0
highest
priority
interrupt
1
002aac965
interrupt
polling
sequence
lowest
priority
interrupt
EX0
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0